Calliostomatidae is a family of sea snails within the superfamily Trochoidea and the clade Vetigastropoda.

Calliostomatidae are unusually diverse. They are characterized by a stepped spire and a pointy aperture. They may possess or lack an umbilicus. The columella is sometimes thicker, partially covering the aperture. The spiral whorls can differ between narrow and robust. They inhabit a wide range of ocean habitats, from the intertidal zone to mid-bathyal depths.

For a long time, this taxon was considered to be a subfamily of the Trochidae. The first molecular phylogeny study of the family Calliostomatidae was made by Williams et al. (2010). Based on molecular data, they confirmed that Thysanodontinae Marshall, 1988 belongs to the family Calliostomatidae. It was already previously placed there based on morphological data.

They are mostly deep water, many are rare in collections. Very diverse in colours, forms and of course very beautiful choice collectors’ items.

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Astele armillata
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Astele armillata

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Calliostoma canaliculatum (The channeled topsnail)
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Calliostoma canaliculatum (The channeled topsnail)

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Calliostoma formosense (Formosa top shell)
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Calliostoma formosense (Formosa top shell)

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Calliostoma scotti (Scott's top shell)
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Calliostoma scotti (Scott's top shell)

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Maurea tigris (Tiger maurea)
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Maurea tigris (Tiger maurea)

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Maurea selecta (Select maurea)
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Maurea selecta (Select maurea)

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Maurea punctulata (Punctate maurea)
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Maurea punctulata (Punctate maurea)

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Calliostoma sublaeve
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Calliostoma sublaeve

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Tristichotrochus consors
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Tristichotrochus consors

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